-ol c-- ccc cck ccl cco ccp ccr ccs ckc cko cks cl- clc clk cll clo clp clr cls co- coc cok col coo cop cor cos cpc cpk cpl cpo cpp cpr cps crc crk crl cro crp crr crs csc csk csl cso csp csr css kcc kck kcl kcp kcr kcs kkc kkk kkl kkp kkr kks kl- klc klo klr kls koc kok kol koo kop kor kos kpc kpk kpl kpo kpp kpr kps krc krk krl kro krp krr krs ksc ksk ksl kso ksp ksr kss l-p lcc lck lcl lco lcp lcr lcs lkl lkp lkr lks llc llk lll llo llp llr lls loc lok lol loo lop lor los lpc lpk lpl lpo lpp lpr lps lrc lrk lro lrp lrr lrs lsc lsk lsl lso lsp lsr lss oc- occ ock ocl oco ocp ocr ocs okc okk okl oko okp okr oks olc olk oll olo olp ols oo- ooc ook ool ooo oop oor oos op- opc opk opl opo opp opr ops or- orc ork orl oro orp orr ors os- osc osk osl oso osp osr oss p-p pcc pck pcl pco pcp pcr pcs pkc pkl pko pkp pkr pks plc plk pll plo plp plr pls poc pok pol poo pop por pos ppc ppk ppl ppo ppp ppr pps prc prk prl pro prp prr prs ps- psc psk psl pso psp psr pss rcc rcl rco rcp rcr rcs rkc rkk rko rkp rks rlc rll rlo rlp rlr rls roc rok rol roo rop ror ros rpc rpk rpl rpo rpp rpr rps rrc rrk rrl rrp rrr rrs rsc rsk rsl rso rsp rsr rss scc sck scl sco scp scr scs sk- skc skk skl sko skp skr sks slc slk sll slo slp slr sls soc sok sol soo sop sor sos spc spk spl spo spp spr sps sr- src srk srl sro srp srr srs ss- ssc ssk ssl sso ssp ssr sss